Finding the Third Proportional to 151,821 and 222,804

Step by Step Solution

1. Step 1: Write the proportion equation
   151,821 : 222,804 = 222,804 : x
2. Step 2: Convert to fraction form
   151,821/222,804 = 222,804/x
3. Step 3: Cross multiply
   151,821x = 222,804 × 222,804
4. Step 4: Simplify right side
   151,821x = 49,641,622,416
5. Step 5: Solve for x
   x = 49,641,622,416/151,821
6. Step 6: Final answer
   x = 326,974.68